Improve document
improve readme
versionup
redirect .git access to /user/project
add document about importing repositories
fix pod
fix pod
fix pod
fix bug that can't create collaborator more than one
add time zone system
support time zone
use hoedown for fenced code support
add changes
add parent.pm
upgrade module version
Renamed encoding to default_encoding

no functionality change. this is just code clean-up.
Supported specific character encoding of source code

Added new config parameter 'encoding_suspects' to put suspects encoding list.
commit diff, normal blob and blame are converted by Encode::Guess with suspects encoding list.
fix bug that dispaly blog image line number
add encoding_suspects test
add changes